Maxim Integrated 71M6521BE Energy Meter IC Family Software - Manual (Page 113)

71M652X Software User’s Guide
Revision 1.7 TERIDIAN Proprietary 113 of 138
© Copyright 2005-2007 TERIDIAN Semiconductor Corporation
Mnemonic Description Code Bytes Cycles
ACALL addr11 Absolute subroutine call xxx11 2 6
LCALL addr16 Long subroutine call 12 3 6
RET Return from subroutine 22 1 4
RETI Return from interrupt 32 1 4
AJMP addr11 Absolute jump xxx01 2 3
LJMP addr16 Long jump 02 3 4
SJMP rel Short jump (relative addr.) 80 2 3
JMP @A+DPTR Jump indirect relative to the DPTR 73 1 2
JZ rel Jump if accumulator is zero 60 2 3
JNZ rel Jump if accumulator is not zero 70 2 3
JC rel Jump if carry flag is set 40 2 3
JNC Jump if carry flag is not set 50 2 3
JB bit,rel Jump if direct bit is set 20 3 4
JNB bit,rel Jump if direct bit is not set 30 3 4
JBC bit,direct rel Jump if direct bit is set and clear bit 10 3 4
CJNE A,direct rel Compare direct byte to A and jump if not equal B5 3 4
CJNE A,#data rel Compare immediate to A and jump if not equal B4 3 4
CJNE Rn,#data rel Compare immed. to reg. and jump if not equal B8-BF 3 4
CJNE @Ri,#data rel Compare immed. to ind. and jump if not equal B6-B7 3 4
DJNZ Rn,rel Decrement register and jump if not zero D8-DF 2 3
DJNZ direct,rel Decrement direct byte and jump if not zero D5 3 4
NOP No operation 00 1 1
Table 6-12: Program Branches
Mnemonic Description Code Bytes Cycles
CLR C Clear carry flag C3 1 1
CLR bit Clear direct bit C2 2 3
SETB C Set carry flag D3 1 1
SETB bit Set direct bit D2 2 3
CPL C Complement carry flag B3 1 1
CPL bit Complement direct bit B2 2 3
ANL C,bit AND direct bit to carry flag 82 2 2
ANL C,/bit AND complement of direct bit to carry B0 2 2
ORL C,bit OR direct bit to carry flag 72 2 2
ORL C,/bit OR complement of direct bit to carry A0 2 2
MOV C,bit Move direct bit to carry flag A2 2 2
MOV bit,C Move carry flag to direct bit 92 2 3
Table 6-13: Boolean Manipulations